Home / 2,290,221.80-3,436,644.90-871,296.20

Finding the Fourth Proportional to 2,290,221.80, 3,436,644.90 and 871,296.20

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Solution

The fourth proportional to 2,290,221.80, 3,436,644.90 and 871,296.20 is: 1,307,443.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,221.80 : 3,436,644.90 = 871,296.20 : x
  2. Step 2: Convert to fraction form
    2,290,221.80/3,436,644.90 = 871,296.20/x
  3. Step 3: Cross multiply
    2,290,221.80x = 3,436,644.90 × 871,296.20
  4. Step 4: Simplify right side
    2,290,221.80x = 2,994,335,642,119.38
  5. Step 5: Solve for x
    x = 2,994,335,642,119.38/2,290,221.80
  6. Step 6: Final answer
    x = 1,307,443.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.